29:31

RSTV Eureka - Relevance of Space Sciences & Solar Science

26:01

RSTV Vishesh – Black Hole : ब्लैक होल

30:05

RSTV Eureka - Technologies for rural areas

26:46

RSTV Eureka - Phosphorous Role in Our Life

30:14

RSTV Eureka - Namami Gange Mission -Solution & Challenges

27:15

The Most Misunderstood Concept in Physics

23:22

What *is* a photon?

13:19

Why is the speed of light what it is? Maxwell equations visualized